BitVisor is a tiny hypervisor initially designed for mediating I/O access from a single guest OS. Its implementation is mature enough to run Windows and Linux, and can be used as a generic platform for various research and development projects.

LifeLines is a genealogy program to help with your family history research.
Its primarily strengths are its powerful scripting language and the ability
easily import and export information in the GEDCOM format.

SETEdit is a friendly text editor. It is a text mode application with windows, buttons, mouse support, etc. The main target of the project are programmers so the editor is mainly oriented to programming.

basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.

Utilities and libraries for accessing (extracting data from, or modifying data in) and testing integrity of Clarion database files, and other files used by Clarion. See http://clarion-utils.sourceforge.net/ for more information.

BASIC interpreter for the standard (SUS) character screen handling library, which fully corresponds to the Tiny BASIC standard. The code is thread-safe and can be embedded into other code. Can be used as a game or a minimalist challenge.

gema is a general purpose text processing utility based on the concept of pattern matching. It reads an input file and copies it to an output file transforming the data as specified by the patterns defined by the user.

OSPlus is a collection of utilities for DOS, Linux and Win32. This includes a Text Editor and a Disk Imager. I am gradually making it Open Source, and the source will be available for anyone to hack away on.